Home / 15,366.94-21,207.98-9,402.58

Finding the Fourth Proportional to 15,366.94, 21,207.98 and 9,402.58

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Solution

The fourth proportional to 15,366.94, 21,207.98 and 9,402.58 is: 12,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.94 : 21,207.98 = 9,402.58 : x
  2. Step 2: Convert to fraction form
    15,366.94/21,207.98 = 9,402.58/x
  3. Step 3: Cross multiply
    15,366.94x = 21,207.98 × 9,402.58
  4. Step 4: Simplify right side
    15,366.94x = 199,409,725.72
  5. Step 5: Solve for x
    x = 199,409,725.72/15,366.94
  6. Step 6: Final answer
    x = 12,976.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.